Home / 4,400.18-6,600.57-1,280.19

Finding the Fourth Proportional to 4,400.18, 6,600.57 and 1,280.19

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Solution

The fourth proportional to 4,400.18, 6,600.57 and 1,280.19 is: 1,920.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.18 : 6,600.57 = 1,280.19 : x
  2. Step 2: Convert to fraction form
    4,400.18/6,600.57 = 1,280.19/x
  3. Step 3: Cross multiply
    4,400.18x = 6,600.57 × 1,280.19
  4. Step 4: Simplify right side
    4,400.18x = 8,449,983.71
  5. Step 5: Solve for x
    x = 8,449,983.71/4,400.18
  6. Step 6: Final answer
    x = 1,920.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.